Home / 3,881.25-5,356.53-2,203.11

Finding the Fourth Proportional to 3,881.25, 5,356.53 and 2,203.11

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Solution

The fourth proportional to 3,881.25, 5,356.53 and 2,203.11 is: 3,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.25 : 5,356.53 = 2,203.11 : x
  2. Step 2: Convert to fraction form
    3,881.25/5,356.53 = 2,203.11/x
  3. Step 3: Cross multiply
    3,881.25x = 5,356.53 × 2,203.11
  4. Step 4: Simplify right side
    3,881.25x = 11,801,024.81
  5. Step 5: Solve for x
    x = 11,801,024.81/3,881.25
  6. Step 6: Final answer
    x = 3,040.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.